21349286

素因数分解:

$2^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{10099}}^1$

素因数の和:10259

約数の個数: 16

約数和(自身を含む): 36844800

約数和(自身を除く): 15495514

約数列:

[1, 2, 7, 14, 151, 302, 1057, 2114, 10099, 20198, 70693, 141386, 1524949, 3049898, 10674643, 21349286]

約数ペア:

[(1, 21349286), (2, 10674643), (7, 3049898), (14, 1524949), (151, 141386), (302, 70693), (1057, 20198), (2114, 10099)]